Which of the following processes is exothermic?
A) Cl2(g) → 2Cl(g)
B) Br(g) + e- → Br- (g)
C) Li(s) → Li(g)
D) NaF(s) → Na+ (g) + F- (g)
E) None of the above processes is exothermic.
Correct Answer:
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